Herbivores, saprovores and natural enemies respond differently to within-field plant characteristics of wheat fields



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Please use this identifier to cite or link to this item: http://hdl.handle.net/11703/120266
Title: Herbivores, saprovores and natural enemies respond differently to within-field plant characteristics of wheat fields
Authors: Consorci del Museu de Ciències Naturals de Barcelona
Caballero-López, Berta
Blanco-Moreno, José Manuel
Pujade-Villar, Juli
Ventura, Daniel
Sánchez-Espigares, JA
Sans i Serra, Xavier
Issue Date: 26-May-2016
Keywords: Blat
Plagues agrícoles
Ecologia agrícola
Agents de control biològic de plagues
Spatial coverage: Mediterrània (Regió)
Access to document: http://hdl.handle.net/2072/359308
Citation: Journal of Insect Conservation, June 2016, Volume 20, Issue 3, pp 467–476
Extent: 25 p.
Abstract: Understanding ecosystem functioning in a farmland context by considering the variety of ecological strategies employed by arthropods is a core challenge in ecology and conservation science. We adopted a functional approach in an assessment of the relationship between three functional plant groups (grasses, broad-leaves and legumes) and the arthropod community in winter wheat fields in a Mediterranean dryland context. We sampled the arthropod community as thoroughly as possible with a combination of suction catching and flight-interception trapping. All specimens were identified to the appropriate taxonomic level (family, genus or species) and classified according to their form of feeding: chewing-herbivores, sucking-herbivores, flower-consumers, omnivores, saprovores, parasitoids or predators. We found, a richer plant community favoured a greater diversity of herbivores and, in turn, a richness of herbivores and saprovores enhanced the communities of their natural enemies, which supports the classical trophic structure hypothesis. Grass cover had a positive effect on sucking-herbivores, saprovores and their natural enemies and is probably due to grasses' ability provide, either directly or indirectly, alternative resources or simply by offering better environmental conditions. By including legumes in agroecosystems we can improve the conservation of beneficial arthropods like predators or parasitoids, and enhance the provision of ecosystem services such as natural pest control. Keywords: functional approach, plant-arthropod interaction, biological control, legumes, ecosystem services, 49 insect functional traits.
Terms of use details: © Springer Verlag, 2016
Appears in Collections:Artròpodes / Articles

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